openscopeproject/HP34401a-OLED-HW32HP34401a DMM OLED display mod hardware
Hp34401a oled is an open-source printed circuit board by openscopeproject, from the openscopeproject/HP34401a-OLED-HW repository on GitHub. It is a 2-layer board of 30 × 33.5 mm with 35 parts on 42 nets, routed with 233 tracks and 18 vias.
It is built around the AT24C02, LM1117-3.3 and BAT54C. Its parts include 8 resistors, 7 capacitors, 5 connectors, 3 ICs and 3 diodes. It belongs with the lEDs and displays boards and the STM32 boards of this library.
This is repository for hardware part of the mod.
See firmware repository for more information.
This board was designed in KiCad 5 and uses exclusively standard KiCad libraries.
| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 0.1uF | Capacitor_SMD:C_0603_1608Metric | C3, C4, C5, C6, C7 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3_ISO14580 | MH1, MH2, MH3, MH4 |
| 3 | 100k | Resistor_SMD:R_0805_2012Metric | R1, R7, R8 |
| 2 | 1K | Resistor_SMD:R_0805_2012Metric | R3, R4 |
| 2 | 22R | Resistor_SMD:R_0805_2012Metric | R5, R6 |
| 2 | 47uF | Capacitor_Tantalum_SMD:CP_EIA-3528-21_Kemet-B_Pad1.50x2.35mm_HandSolder | C1, C2 |
| 1 | 10K | Resistor_SMD:R_Array_Convex_4x0603 | RN1 |
| 1 | 1K5 | Resistor_SMD:R_0805_2012Metric | R2 |
| 1 | 8M | Crystal:Resonator_SMD_muRata_CSTxExxV-3Pin_3.0x1.1mm | Y1 |
| 1 | AT24C02 | Package_SO:SOIC-8_3.9x4.9mm_P1.27mm | U3 |
| 1 | BAT54C | Package_TO_SOT_SMD:SOT-23 | D3 |
| 1 | BOOT | Jumper:SolderJumper-3_P1.3mm_Open_RoundedPad1.0x1.5mm | JP1 |
| 1 | DISPLAY | Connector_PinHeader_2.54mm:PinHeader_2x08_P2.54mm_Vertical | J2 |
| 1 | DISPLAYPWR | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Vertical | J5 |
| 1 | FP | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J4 |
| 1 | LM1117-3.3 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U2 |
| 1 | NO DIODE | Jumper:SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | JP2 |
| 1 | PWR | LED_SMD:LED_0805_2012Metric | D1 |
| 1 | STATUS | LED_SMD:LED_0805_2012Metric | D2 |
| 1 | STM32F103C8Tx | Package_QFP:LQFP-48_7x7mm_P0.5mm | U1 |
| 1 | UART | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J3 |
| 1 | USB_B_Micro | Connector_USB:USB_Micro-B_Wuerth_614105150721_Vertical | J1 |
The 34 most common of 35 parts.
It measures 30 × 33.5 mm and has 2 copper layers, 1.6 mm thick.
35 parts, built around the AT24C02, LM1117-3.3 and BAT54C. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the openscopeproject/HP34401a-OLED-HW repository on GitHub, at the commit this page was made from: the board is hp34401a_oled.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask openscopeproject before reusing the design.
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