Output
Output is an open source RP2040/RP2350 PCB design by CrashOverride85: a 2-layer, 60.3 × 139.1 mm board with 116 components (54 distinct parts). It is built around the TCA9534, BQ25601, TPS5430DDA, MAX3232EEAE+T and more.
4 channel EStim box inspired by the mk312bt, with Lua scripting support
The original ZC95 mk1 had the estim output stage on a separate PCB; that's been incorporated into the main board with the mkII. Whilst it was only ever intended to be used as a part of the ZC95, the output board could also be used from other projects, and there is an included Arduino library for it. So these are the (slightly tweaked) original build notes from that board, in case it's still of interest to anyone.
Built around
Parts list
116 components, 54 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TCA9534 LM324 | SOIC-14_3.9x8.7mm_P1.27mm | U1 |
| 1 | BQ25601 MCP4728 | MSOP-10_3x3mm_P0.5mm | U2 |
| 1 | TPS5430DDA | TI_SO-PowerPAD-8_ThermalVias | U3 |
| 1 | MAX3232EEAE+T Pico | RPi_Pico_SMD_TH | U4 |
| 1 | AT24C04CDRG XC6206P332MR | SOT-23 | U5 |
| 1 | AO3401A AO3400A | SOT-23_Handsoldering | Q1 |
| 4 | AO3400A IRF9Z24NPBF | TO-220-3_Vertical | Q2, Q5, Q8, Q11 |
| 4 | IRF9Z24NPBF AO3400A | SOT-23_Handsoldering | Q3, Q6, Q9, Q12 |
| 3 | AO3400A | SOT-23_Handsoldering | Q4, Q7, Q10 |
| 1 | TRG1 MAIN_BOARD_IO | PinHeader_1x12_P2.54mm_Vertical | J1 |
| 1 | TRG1 MAIN_BOARD_POWER | PinHeader_1x12_P2.54mm_Vertical | J2 |
| 1 | CONN_02X04_ODD_EVEN MAIN_BOARD_FP | PinHeader_1x12_P2.54mm_Vertical | J3 |
| 1 | TRG1 Serial (3v3) | PinHeader_1x06_P2.54mm_Vertical | J4 |
| 4 | TRANSF5 | 42TL+U | TR1, TR2, TR3, TR4 |
| 1 | BZX584C3V6 SS34 | D_SMA | D1 |
| 1 | SS34 | D_SMA | D2 |
| 1 | C2986059 3v3 | LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D3 |
| 1 | C2986059 5v | LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D4 |
| 1 | 1SMA4734A 9v | LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D5 |
| 1 | BZX584C3V6 12v | LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D6 |
Show 34 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | SMAJ13A OK | LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D7 |
| 3 | BAV23CL SMAJ13A | D_SMA | D8, D10, D12 |
| 3 | SMAJ13A BAV23CL | SOT-23-3 | D9, D11, D15 |
| 1 | C2986059 BAV23CL | SOT-23-3 | D13 |
| 1 | C2986059 SMAJ13A | D_SMA | D14 |
| 1 | 1.5UH 15uH | L_7.3x7.3_H3.5 | L1 |
| 3 | 1UF 100nF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C2, C5 |
| 3 | 100NF 100nF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3, C4, C6 |
| 1 | 100NF 10nF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C7 |
| 1 | 100NF 10uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C8 |
| 1 | 10UF 220uF | CP_Radial_D8.0mm_P3.50mm | C9 |
| 1 | 100NF 1uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C10 |
| 1 | 220UF 1uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C11 |
| 3 | 100NF 220uF | CP_EIA-7343-43_Kemet-X_Pad2.25x2.55mm_HandSolder | C12, C13, C15 |
| 1 | 220UF 220uF | CP_EIA-7343-43_Kemet-X_Pad2.25x2.55mm_HandSolder | C14 |
| 1 | 100NF 100uF | CP_Radial_D5.0mm_P2.00mm | C16 |
| 2 | 10K 0.5R | R_Axial_DIN0309_L9.0mm_D3.2mm_P5.08mm_Vertical | R1, R26 |
| 9 | 10K 100k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R2, R4, R15, R23, R24, R25, R33, R38 +1 |
| 6 | 10K 10k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3, R11, R18, R43, R49, R57 |
| 9 | 100R 100k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R5, R8, R16, R19, R21, R27, R29, R30 +1 |
| 4 | 100R 150k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R6, R9, R20, R31 |
| 5 | 100R 10k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R7, R14, R22, R28, R32 |
| 1 | 2K2 100k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R10 |
| 5 | 100K 100k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R12, R13, R37, R40, R48 |
| 2 | 10K 150k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R17, R34 |
| 1 | 0.5R 10k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R36 |
| 3 | 100K 10k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R39, R47, R56 |
| 3 | 150K 100k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R41, R44, R52 |
| 2 | 100K 150k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R42, R45 |
| 2 | 100K 4k7 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R50, R51 |
| 2 | 100K 1.5k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R53, R58 |
| 1 | 10K 1.5k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R54 |
| 1 | 150K 4k7 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R55 |
| 1 | 100K 680 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R59 |
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