1 EESchema Schematic File Version 2 2 LIBS:power 3 LIBS:device 4 LIBS:transistors 5 LIBS:conn 6 LIBS:linear 7 LIBS:regul 8 LIBS:74xx 9 LIBS:cmos4000 10 LIBS:adc-dac 11 LIBS:memory 12 LIBS:xilinx 13 LIBS:microcontrollers 14 LIBS:dsp 15 LIBS:microchip 16 LIBS:analog_switches 17 LIBS:motorola 18 LIBS:texas 19 LIBS:intel 20 LIBS:audio 21 LIBS:interface 22 LIBS:digital-audio 23 LIBS:philips 24 LIBS:display 25 LIBS:cypress 26 LIBS:siliconi 27 LIBS:opto 28 LIBS:atmel 29 LIBS:contrib 30 LIBS:valves 31 LIBS:walt_misc 32 LIBS:teensy 33 LIBS:WALTsm-cache 34 EELAYER 25 0 35 EELAYER END 36 $Descr USLetter 11000 8500 37 encoding utf-8 38 Sheet 1 1 39 Title "WALT Latency Timer" 40 Date "" 41 Rev "" 42 Comp "" 43 Comment1 "" 44 Comment2 "" 45 Comment3 "" 46 Comment4 "" 47 $EndDescr 48 $Comp 49 L TeensyLC_with_headers U1 50 U 1 1 576468C7 51 P 2650 2750 52 F 0 "U1" H 2300 3500 50 0000 C CNN 53 F 1 "TeensyLC_with_headers" V 2550 2750 50 0000 C CNN 54 F 2 "Housings_DIP:DIP-28_W15.24mm" V 2950 2750 50 0001 C CNN 55 F 3 "https://www.pjrc.com/teensy/teensyLC.html" V 2850 2750 50 0001 C CNN 56 1 2650 2750 57 1 0 0 -1 58 $EndComp 59 $Comp 60 L GND #PWR01 61 U 1 1 57646954 62 P 1650 2000 63 F 0 "#PWR01" H 1650 1750 50 0001 C CNN 64 F 1 "GND" H 1650 1850 50 0000 C CNN 65 F 2 "" H 1650 2000 50 0000 C CNN 66 F 3 "" H 1650 2000 50 0000 C CNN 67 1 1650 2000 68 -1 0 0 1 69 $EndComp 70 $Comp 71 L GND #PWR02 72 U 1 1 5764697D 73 P 3950 2100 74 F 0 "#PWR02" H 3950 1850 50 0001 C CNN 75 F 1 "GND" H 3950 1950 50 0000 C CNN 76 F 2 "" H 3950 2100 50 0000 C CNN 77 F 3 "" H 3950 2100 50 0000 C CNN 78 1 3950 2100 79 -1 0 0 1 80 $EndComp 81 $Comp 82 L +3V3 #PWR03 83 U 1 1 57646997 84 P 4200 2100 85 F 0 "#PWR03" H 4200 1950 50 0001 C CNN 86 F 1 "+3V3" H 4200 2240 50 0000 C CNN 87 F 2 "" H 4200 2100 50 0000 C CNN 88 F 3 "" H 4200 2100 50 0000 C CNN 89 1 4200 2100 90 1 0 0 -1 91 $EndComp 92 Text Label 4050 2400 0 60 ~ 0 93 MIC_PIN 94 Text Label 3950 2500 0 60 ~ 0 95 AUDIO_PIN 96 Text Label 3700 2700 0 60 ~ 0 97 PD_SCREEN_PIN 98 Text Label 4100 3100 0 60 ~ 0 99 GZ_PIN 100 Text Label 4050 3200 0 60 ~ 0 101 GXY_PIN 102 $Comp 103 L Photodiode D1 104 U 1 1 57646A24 105 P 4400 3600 106 F 0 "D1" H 4400 3700 50 0000 C CNN 107 F 1 "Photodiode" H 4394 3471 50 0001 C CNN 108 F 2 "walt_footprints:BPW34_DIP2" H 4400 3600 50 0001 C CNN 109 F 3 "" H 4400 3600 50 0000 C CNN 110 1 4400 3600 111 0 1 1 0 112 $EndComp 113 $Comp 114 L GND #PWR04 115 U 1 1 57646A4B 116 P 4400 3900 117 F 0 "#PWR04" H 4400 3650 50 0001 C CNN 118 F 1 "GND" H 4400 3750 50 0000 C CNN 119 F 2 "" H 4400 3900 50 0000 C CNN 120 F 3 "" H 4400 3900 50 0000 C CNN 121 1 4400 3900 122 1 0 0 -1 123 $EndComp 124 $Comp 125 L R R1 126 U 1 1 57646BD5 127 P 2450 800 128 F 0 "R1" V 2530 800 50 0000 C CNN 129 F 1 "330" V 2450 800 50 0000 C CNN 130 F 2 "walt_footprints:R_0603_pad07mm_long" V 2380 800 50 0001 C CNN 131 F 3 "" H 2450 800 50 0000 C CNN 132 1 2450 800 133 0 -1 -1 0 134 $EndComp 135 $Comp 136 L R R2 137 U 1 1 57646C37 138 P 2450 1200 139 F 0 "R2" V 2530 1200 50 0000 C CNN 140 F 1 "330" V 2450 1200 50 0000 C CNN 141 F 2 "walt_footprints:R_0603_pad07mm_long" V 2380 1200 50 0001 C CNN 142 F 3 "" H 2450 1200 50 0000 C CNN 143 1 2450 1200 144 0 -1 -1 0 145 $EndComp 146 $Comp 147 L GND #PWR05 148 U 1 1 57646C65 149 P 3400 800 150 F 0 "#PWR05" H 3400 550 50 0001 C CNN 151 F 1 "GND" H 3400 650 50 0000 C CNN 152 F 2 "" H 3400 800 50 0000 C CNN 153 F 3 "" H 3400 800 50 0000 C CNN 154 1 3400 800 155 0 -1 -1 0 156 $EndComp 157 $Comp 158 L LED D3 159 U 1 1 57646CD9 160 P 3000 800 161 F 0 "D3" H 3000 900 50 0000 C CNN 162 F 1 "LED" H 3000 700 50 0000 C CNN 163 F 2 "walt_footprints:R_0603_pad07mm_long" H 3000 800 50 0001 C CNN 164 F 3 "" H 3000 800 50 0000 C CNN 165 1 3000 800 166 -1 0 0 1 167 $EndComp 168 $Comp 169 L LED D4 170 U 1 1 57646D13 171 P 3000 1200 172 F 0 "D4" H 3000 1300 50 0000 C CNN 173 F 1 "LED" H 3000 1100 50 0000 C CNN 174 F 2 "walt_footprints:R_0603_pad07mm_long" H 3000 1200 50 0001 C CNN 175 F 3 "" H 3000 1200 50 0000 C CNN 176 1 3000 1200 177 -1 0 0 1 178 $EndComp 179 $Comp 180 L GND #PWR06 181 U 1 1 57646D3D 182 P 3400 1200 183 F 0 "#PWR06" H 3400 950 50 0001 C CNN 184 F 1 "GND" H 3400 1050 50 0000 C CNN 185 F 2 "" H 3400 1200 50 0000 C CNN 186 F 3 "" H 3400 1200 50 0000 C CNN 187 1 3400 1200 188 0 -1 -1 0 189 $EndComp 190 Text Label 1600 1200 0 60 ~ 0 191 DEBUG_LED1 192 Text Label 1600 800 0 60 ~ 0 193 DEBUG_LED2 194 $Comp 195 L +3V3 #PWR07 196 U 1 1 57647B1C 197 P 2750 5100 198 F 0 "#PWR07" H 2750 4950 50 0001 C CNN 199 F 1 "+3V3" H 2750 5240 50 0000 C CNN 200 F 2 "" H 2750 5100 50 0000 C CNN 201 F 3 "" H 2750 5100 50 0000 C CNN 202 1 2750 5100 203 1 0 0 -1 204 $EndComp 205 $Comp 206 L ADXL335 U2 207 U 1 1 57647D5A 208 P 3550 5800 209 F 0 "U2" H 2950 6450 50 0000 L CNN 210 F 1 "ADXL335" H 3800 6450 50 0000 L CNN 211 F 2 "Housings_DFN_QFN:QFN-16-1EP_4x4mm_Pitch0.65mm" H 3550 5500 50 0001 C CNN 212 F 3 "" H 3550 5500 50 0000 C CNN 213 1 3550 5800 214 1 0 0 -1 215 $EndComp 216 $Comp 217 L GND #PWR08 218 U 1 1 57647DD6 219 P 2750 6500 220 F 0 "#PWR08" H 2750 6250 50 0001 C CNN 221 F 1 "GND" H 2750 6350 50 0000 C CNN 222 F 2 "" H 2750 6500 50 0000 C CNN 223 F 3 "" H 2750 6500 50 0000 C CNN 224 1 2750 6500 225 1 0 0 -1 226 $EndComp 227 Text Label 4650 5600 0 60 ~ 0 228 GZ_PIN 229 Text Label 4550 5500 0 60 ~ 0 230 GXY_PIN 231 $Comp 232 L GND #PWR09 233 U 1 1 5764825A 234 P 6200 3300 235 F 0 "#PWR09" H 6200 3050 50 0001 C CNN 236 F 1 "GND" H 6200 3150 50 0000 C CNN 237 F 2 "" H 6200 3300 50 0000 C CNN 238 F 3 "" H 6200 3300 50 0000 C CNN 239 1 6200 3300 240 0 -1 -1 0 241 $EndComp 242 $Comp 243 L +3V3 #PWR010 244 U 1 1 576482AD 245 P 6000 2400 246 F 0 "#PWR010" H 6000 2250 50 0001 C CNN 247 F 1 "+3V3" H 6000 2540 50 0000 C CNN 248 F 2 "" H 6000 2400 50 0000 C CNN 249 F 3 "" H 6000 2400 50 0000 C CNN 250 1 6000 2400 251 1 0 0 -1 252 $EndComp 253 $Comp 254 L GND #PWR011 255 U 1 1 57648307 256 P 5600 2600 257 F 0 "#PWR011" H 5600 2350 50 0001 C CNN 258 F 1 "GND" H 5600 2450 50 0000 C CNN 259 F 2 "" H 5600 2600 50 0000 C CNN 260 F 3 "" H 5600 2600 50 0000 C CNN 261 1 5600 2600 262 -1 0 0 1 263 $EndComp 264 $Comp 265 L LM321MFX U3 266 U 1 1 576483C4 267 P 6100 2900 268 F 0 "U3" H 6150 3100 50 0000 C CNN 269 F 1 "LM321MFX" H 6300 2700 50 0000 C CNN 270 F 2 "TO_SOT_Packages_SMD:SOT-23-5" H 6050 2600 50 0001 L CNN 271 F 3 "" H 6150 3100 50 0000 C CNN 272 1 6100 2900 273 1 0 0 -1 274 $EndComp 275 $Comp 276 L R R3 277 U 1 1 57648608 278 P 6150 3600 279 F 0 "R3" V 6230 3600 50 0000 C CNN 280 F 1 "510k" V 6150 3600 50 0000 C CNN 281 F 2 "walt_footprints:R_0603_pad07mm_long" V 6080 3600 50 0001 C CNN 282 F 3 "" H 6150 3600 50 0000 C CNN 283 1 6150 3600 284 0 -1 -1 0 285 $EndComp 286 $Comp 287 L GND #PWR012 288 U 1 1 57648798 289 P 5600 4300 290 F 0 "#PWR012" H 5600 4050 50 0001 C CNN 291 F 1 "GND" H 5600 4150 50 0000 C CNN 292 F 2 "" H 5600 4300 50 0000 C CNN 293 F 3 "" H 5600 4300 50 0000 C CNN 294 1 5600 4300 295 1 0 0 -1 296 $EndComp 297 $Comp 298 L Photodiode D2 299 U 1 1 576487CA 300 P 5600 3950 301 F 0 "D2" H 5600 4050 50 0000 C CNN 302 F 1 "Photodiode" H 5594 3821 50 0001 C CNN 303 F 2 "walt_footprints:BPW34_DIP2" H 5600 3950 50 0001 C CNN 304 F 3 "" H 5600 3950 50 0000 C CNN 305 1 5600 3950 306 0 1 1 0 307 $EndComp 308 $Comp 309 L JACK_TRRS J1 310 U 1 1 5764949B 311 P 10000 1500 312 F 0 "J1" H 10200 1850 50 0000 C CNN 313 F 1 "JACK_TRRS" H 9950 1250 50 0000 C CNN 314 F 2 "walt_footprints:TRRS_SJ_43514" H 9800 1350 50 0001 C CNN 315 F 3 "" H 9800 1350 50 0000 C CNN 316 1 10000 1500 317 1 0 0 -1 318 $EndComp 319 $Comp 320 L R R7 321 U 1 1 57649565 322 P 9200 2250 323 F 0 "R7" V 9280 2250 50 0000 C CNN 324 F 1 "100" V 9200 2250 50 0000 C CNN 325 F 2 "walt_footprints:R_0603_pad07mm_long" V 9130 2250 50 0001 C CNN 326 F 3 "" H 9200 2250 50 0000 C CNN 327 1 9200 2250 328 -1 0 0 1 329 $EndComp 330 $Comp 331 L GND #PWR013 332 U 1 1 57649633 333 P 9200 2600 334 F 0 "#PWR013" H 9200 2350 50 0001 C CNN 335 F 1 "GND" H 9200 2450 50 0000 C CNN 336 F 2 "" H 9200 2600 50 0000 C CNN 337 F 3 "" H 9200 2600 50 0000 C CNN 338 1 9200 2600 339 1 0 0 -1 340 $EndComp 341 Text Label 8600 1900 0 60 ~ 0 342 AUDIO_PIN 343 $Comp 344 L C C1 345 U 1 1 5764985B 346 P 9050 1300 347 F 0 "C1" H 9075 1400 50 0000 L CNN 348 F 1 "0.1uF" H 9075 1200 50 0000 L CNN 349 F 2 "Capacitors_SMD:C_0805" H 9088 1150 50 0001 C CNN 350 F 3 "" H 9050 1300 50 0000 C CNN 351 1 9050 1300 352 0 1 1 0 353 $EndComp 354 $Comp 355 L R R4 356 U 1 1 576498AB 357 P 8550 1300 358 F 0 "R4" V 8630 1300 50 0000 C CNN 359 F 1 "3,3k" V 8550 1300 50 0000 C CNN 360 F 2 "walt_footprints:R_0603_pad07mm_long" V 8480 1300 50 0001 C CNN 361 F 3 "" H 8550 1300 50 0000 C CNN 362 1 8550 1300 363 0 -1 -1 0 364 $EndComp 365 $Comp 366 L R R5 367 U 1 1 576498E4 368 P 8800 1050 369 F 0 "R5" V 8880 1050 50 0000 C CNN 370 F 1 "100" V 8800 1050 50 0000 C CNN 371 F 2 "walt_footprints:R_0603_pad07mm_long" V 8730 1050 50 0001 C CNN 372 F 3 "" H 8800 1050 50 0000 C CNN 373 1 8800 1050 374 1 0 0 -1 375 $EndComp 376 $Comp 377 L R R6 378 U 1 1 5764991F 379 P 9300 1050 380 F 0 "R6" V 9380 1050 50 0000 C CNN 381 F 1 "3.3k" V 9300 1050 50 0000 C CNN 382 F 2 "walt_footprints:R_0603_pad07mm_long" V 9230 1050 50 0001 C CNN 383 F 3 "" H 9300 1050 50 0000 C CNN 384 1 9300 1050 385 1 0 0 -1 386 $EndComp 387 $Comp 388 L GND #PWR014 389 U 1 1 57649B4B 390 P 9300 800 391 F 0 "#PWR014" H 9300 550 50 0001 C CNN 392 F 1 "GND" H 9300 650 50 0000 C CNN 393 F 2 "" H 9300 800 50 0000 C CNN 394 F 3 "" H 9300 800 50 0000 C CNN 395 1 9300 800 396 -1 0 0 1 397 $EndComp 398 $Comp 399 L GND #PWR015 400 U 1 1 57649B86 401 P 8800 800 402 F 0 "#PWR015" H 8800 550 50 0001 C CNN 403 F 1 "GND" H 8800 650 50 0000 C CNN 404 F 2 "" H 8800 800 50 0000 C CNN 405 F 3 "" H 8800 800 50 0000 C CNN 406 1 8800 800 407 -1 0 0 1 408 $EndComp 409 Text Label 7800 1300 0 60 ~ 0 410 MIC_PIN 411 NoConn ~ 4250 5800 412 NoConn ~ 4250 5900 413 NoConn ~ 4250 6000 414 NoConn ~ 4250 6100 415 NoConn ~ 4250 6200 416 NoConn ~ 4250 6300 417 Text Label 7000 2900 0 60 ~ 0 418 PD_SCREEN_PIN 419 $Comp 420 L +3V3 #PWR016 421 U 1 1 5764A52C 422 P 800 800 423 F 0 "#PWR016" H 800 650 50 0001 C CNN 424 F 1 "+3V3" H 800 940 50 0000 C CNN 425 F 2 "" H 800 800 50 0000 C CNN 426 F 3 "" H 800 800 50 0000 C CNN 427 1 800 800 428 1 0 0 -1 429 $EndComp 430 $Comp 431 L GND #PWR017 432 U 1 1 5764A560 433 P 800 1700 434 F 0 "#PWR017" H 800 1450 50 0001 C CNN 435 F 1 "GND" H 800 1550 50 0000 C CNN 436 F 2 "" H 800 1700 50 0000 C CNN 437 F 3 "" H 800 1700 50 0000 C CNN 438 1 800 1700 439 1 0 0 -1 440 $EndComp 441 $Comp 442 L PWR_FLAG #FLG018 443 U 1 1 5764A594 444 P 800 1500 445 F 0 "#FLG018" H 800 1595 50 0001 C CNN 446 F 1 "PWR_FLAG" H 800 1680 50 0000 C CNN 447 F 2 "" H 800 1500 50 0000 C CNN 448 F 3 "" H 800 1500 50 0000 C CNN 449 1 800 1500 450 1 0 0 -1 451 $EndComp 452 $Comp 453 L PWR_FLAG #FLG019 454 U 1 1 5764A5D6 455 P 800 1000 456 F 0 "#FLG019" H 800 1095 50 0001 C CNN 457 F 1 "PWR_FLAG" H 800 1180 50 0000 C CNN 458 F 2 "" H 800 1000 50 0000 C CNN 459 F 3 "" H 800 1000 50 0000 C CNN 460 1 800 1000 461 -1 0 0 1 462 $EndComp 463 Text Label 1300 2900 0 60 ~ 0 464 SERIAL_RX 465 Text Label 1300 3000 0 60 ~ 0 466 SERIAL_TX 467 $Comp 468 L CONN_01X06 P1 469 U 1 1 5765C52E 470 P 900 4250 471 F 0 "P1" H 900 4600 50 0000 C CNN 472 F 1 "CONN_01X06" V 1000 4250 50 0000 C CNN 473 F 2 "walt_footprints:Pin_Header_Straight_1x06" H 900 4250 50 0001 C CNN 474 F 3 "" H 900 4250 50 0000 C CNN 475 1 900 4250 476 -1 0 0 1 477 $EndComp 478 Text Label 1200 4400 0 60 ~ 0 479 SERIAL_TX 480 Text Label 1200 4300 0 60 ~ 0 481 SERIAL_RX 482 $Comp 483 L GND #PWR020 484 U 1 1 5765C7B4 485 P 1300 3850 486 F 0 "#PWR020" H 1300 3600 50 0001 C CNN 487 F 1 "GND" H 1300 3700 50 0000 C CNN 488 F 2 "" H 1300 3850 50 0000 C CNN 489 F 3 "" H 1300 3850 50 0000 C CNN 490 1 1300 3850 491 -1 0 0 1 492 $EndComp 493 NoConn ~ 1100 4200 494 Text Label 1300 2700 0 60 ~ 0 495 SERIAL_RTS 496 Text Label 1300 3100 0 60 ~ 0 497 SERIAL_CTS 498 Text Label 1200 4100 0 60 ~ 0 499 SERIAL_RTS 500 Text Label 1200 4500 0 60 ~ 0 501 SERIAL_CTS 502 Text Label 3400 2100 0 60 ~ 0 503 VUSB_5V 504 Text Label 1300 5100 0 60 ~ 0 505 VUSB_5V 506 $Comp 507 L GND #PWR021 508 U 1 1 5765DB92 509 P 1700 5300 510 F 0 "#PWR021" H 1700 5050 50 0001 C CNN 511 F 1 "GND" H 1700 5150 50 0000 C CNN 512 F 2 "" H 1700 5300 50 0000 C CNN 513 F 3 "" H 1700 5300 50 0000 C CNN 514 1 1700 5300 515 0 -1 -1 0 516 $EndComp 517 Text Label 1200 5400 0 60 ~ 0 518 GPIO_A5 519 Text Label 1200 5500 0 60 ~ 0 520 GPIO_A4 521 Text Label 1200 5600 0 60 ~ 0 522 GPIO_A3 523 Text Label 3700 2800 0 60 ~ 0 524 GPIO_A5 525 Text Label 3700 2900 0 60 ~ 0 526 GPIO_A4 527 Text Label 3700 3000 0 60 ~ 0 528 GPIO_A3 529 NoConn ~ 1900 2600 530 NoConn ~ 3400 2600 531 NoConn ~ 2850 5600 532 Wire Wire Line 533 1650 2100 1900 2100 534 Wire Wire Line 535 3400 2400 4350 2400 536 Wire Wire Line 537 4350 2500 3400 2500 538 Wire Wire Line 539 4400 2700 3400 2700 540 Wire Wire Line 541 4400 3000 3400 3000 542 Wire Wire Line 543 4400 3100 3400 3100 544 Wire Wire Line 545 4400 3200 3400 3200 546 Wire Wire Line 547 4400 3900 4400 3750 548 Wire Wire Line 549 3400 1200 3200 1200 550 Wire Wire Line 551 3200 800 3400 800 552 Wire Wire Line 553 1600 800 2300 800 554 Wire Wire Line 555 1600 1200 2300 1200 556 Wire Wire Line 557 2750 5100 2750 5400 558 Wire Wire Line 559 2450 5400 2850 5400 560 Wire Wire Line 561 2850 5300 2750 5300 562 Connection ~ 2750 5300 563 Wire Wire Line 564 2750 5800 2750 6500 565 Wire Wire Line 566 2450 5800 2850 5800 567 Wire Wire Line 568 2850 5900 2750 5900 569 Connection ~ 2750 5900 570 Wire Wire Line 571 2750 6000 2850 6000 572 Connection ~ 2750 6000 573 Wire Wire Line 574 2850 6100 2750 6100 575 Connection ~ 2750 6100 576 Wire Wire Line 577 2750 6300 2850 6300 578 Connection ~ 2750 6300 579 Wire Wire Line 580 4950 5600 4250 5600 581 Wire Wire Line 582 4950 5500 4250 5500 583 Wire Wire Line 584 6000 2400 6000 2600 585 Wire Wire Line 586 5600 2600 5600 2800 587 Wire Wire Line 588 5600 2800 5800 2800 589 Wire Wire Line 590 6200 3300 6000 3300 591 Wire Wire Line 592 6000 3300 6000 3200 593 Wire Wire Line 594 5600 4300 5600 4100 595 Wire Wire Line 596 5600 3000 5600 3800 597 Wire Wire Line 598 5600 3000 5800 3000 599 Wire Wire Line 600 6000 3600 5600 3600 601 Connection ~ 5600 3600 602 Wire Wire Line 603 6300 3600 6700 3600 604 Wire Wire Line 605 6700 3600 6700 2900 606 Wire Wire Line 607 6400 2900 7700 2900 608 Wire Wire Line 609 9200 2600 9200 2400 610 Wire Wire Line 611 9500 1500 9200 1500 612 Wire Wire Line 613 9200 1500 9200 2100 614 Wire Wire Line 615 8600 1900 9200 1900 616 Connection ~ 9200 1900 617 Wire Wire Line 618 8700 1300 8900 1300 619 Wire Wire Line 620 8800 1300 8800 1200 621 Connection ~ 8800 1300 622 Wire Wire Line 623 9300 1300 9300 1200 624 Connection ~ 9300 1300 625 Wire Wire Line 626 7800 1300 8400 1300 627 Wire Wire Line 628 8800 900 8800 800 629 Wire Wire Line 630 9300 800 9300 900 631 Connection ~ 6700 2900 632 Wire Wire Line 633 800 800 800 1000 634 Wire Wire Line 635 800 1500 800 1700 636 Wire Wire Line 637 1650 2000 1650 2100 638 Wire Wire Line 639 1300 2900 1900 2900 640 Wire Wire Line 641 1900 3000 1300 3000 642 Wire Wire Line 643 1700 4400 1100 4400 644 Wire Wire Line 645 1700 4300 1100 4300 646 Wire Wire Line 647 1300 4000 1100 4000 648 Wire Wire Line 649 1300 2700 1900 2700 650 Wire Wire Line 651 1900 3100 1300 3100 652 Wire Wire Line 653 1700 4100 1100 4100 654 Wire Wire Line 655 1300 4000 1300 3850 656 Wire Wire Line 657 1700 4500 1100 4500 658 Wire Wire Line 659 1700 5100 1100 5100 660 Wire Wire Line 661 1700 5400 1100 5400 662 Wire Wire Line 663 1700 5500 1100 5500 664 Wire Wire Line 665 1700 5600 1100 5600 666 Wire Wire Line 667 3400 2300 4200 2300 668 Wire Wire Line 669 4200 2300 4200 2100 670 Wire Wire Line 671 3400 2200 3950 2200 672 Wire Wire Line 673 3950 2200 3950 2100 674 Wire Wire Line 675 3800 2100 3400 2100 676 Wire Wire Line 677 1700 5300 1100 5300 678 Wire Wire Line 679 4400 2900 3400 2900 680 Wire Wire Line 681 4400 2800 3400 2800 682 Wire Wire Line 683 3400 3300 4400 3300 684 Wire Wire Line 685 4400 3300 4400 3450 686 Wire Wire Line 687 9200 1300 9500 1300 688 $Comp 689 L GND #PWR022 690 U 1 1 5766B49C 691 P 9400 1400 692 F 0 "#PWR022" H 9400 1150 50 0001 C CNN 693 F 1 "GND" H 9400 1250 50 0000 C CNN 694 F 2 "" H 9400 1400 50 0000 C CNN 695 F 3 "" H 9400 1400 50 0000 C CNN 696 1 9400 1400 697 0 1 1 0 698 $EndComp 699 Wire Wire Line 700 9400 1400 9500 1400 701 Wire Wire Line 702 2800 800 2600 800 703 Wire Wire Line 704 2600 1200 2800 1200 705 $Comp 706 L C C2 707 U 1 1 5766D3A4 708 P 2450 5600 709 F 0 "C2" H 2475 5700 50 0000 L CNN 710 F 1 "0.1uF" H 2475 5500 50 0000 L CNN 711 F 2 "Capacitors_SMD:C_0805" H 2488 5450 50 0001 C CNN 712 F 3 "" H 2450 5600 50 0000 C CNN 713 1 2450 5600 714 1 0 0 -1 715 $EndComp 716 Wire Wire Line 717 2450 5750 2450 5800 718 Connection ~ 2750 5800 719 Wire Wire Line 720 2450 5400 2450 5450 721 Connection ~ 2750 5400 722 $Comp 723 L +3V3 #PWR023 724 U 1 1 5766F66D 725 P 1550 5200 726 F 0 "#PWR023" H 1550 5050 50 0001 C CNN 727 F 1 "+3V3" H 1550 5340 50 0000 C CNN 728 F 2 "" H 1550 5200 50 0000 C CNN 729 F 3 "" H 1550 5200 50 0000 C CNN 730 1 1550 5200 731 0 1 1 0 732 $EndComp 733 $Comp 734 L CONN_01X06 P2 735 U 1 1 57681A8E 736 P 900 5350 737 F 0 "P2" H 900 5700 50 0000 C CNN 738 F 1 "CONN_01X06" V 1000 5350 50 0000 C CNN 739 F 2 "walt_footprints:Pin_Header_Straight_1x06" H 900 5350 50 0001 C CNN 740 F 3 "" H 900 5350 50 0000 C CNN 741 1 900 5350 742 -1 0 0 1 743 $EndComp 744 Wire Wire Line 745 1550 5200 1100 5200 746 Wire Wire Line 747 1300 3300 1900 3300 748 Wire Wire Line 749 1300 3400 1900 3400 750 Text Label 1300 3300 0 60 ~ 0 751 DEBUG_LED1 752 Text Label 1300 3400 0 60 ~ 0 753 DEBUG_LED2 754 NoConn ~ 1900 3200 755 NoConn ~ 1900 2500 756 NoConn ~ 1900 2400 757 NoConn ~ 1900 2300 758 NoConn ~ 1900 2200 759 NoConn ~ 1900 2800 760 NoConn ~ 3400 3400 761 NoConn ~ 4250 5400 762 $Comp 763 L R R8 764 U 1 1 58B4C350 765 P 9400 2250 766 F 0 "R8" V 9480 2250 50 0000 C CNN 767 F 1 "100" V 9400 2250 50 0000 C CNN 768 F 2 "walt_footprints:R_0603_pad07mm_long" V 9330 2250 50 0001 C CNN 769 F 3 "" H 9400 2250 50 0000 C CNN 770 1 9400 2250 771 1 0 0 -1 772 $EndComp 773 Wire Wire Line 774 9500 1600 9400 1600 775 Wire Wire Line 776 9400 1600 9400 2100 777 Wire Wire Line 778 9400 2400 9400 2500 779 Wire Wire Line 780 9400 2500 9200 2500 781 Connection ~ 9200 2500 782 $EndSCHEMATC 783
