Programmer
About the Programmer PCB
Programmer is an open source PCB design by klushok-etv, published on GitHub. It is a 2-layer board measuring 50 × 50 mm, with 21 components from 16 distinct parts.
Other key parts include the AMS1117-3.3 and CH340G. By type, the board carries 6 capacitors, 6 resistors, 3 connectors, 2 ICs, 2 transistors and 1 crystal.
It belongs with the usb & debug tools designs in this gallery.
From the project
For the list of To-Do's check the TODO list, feel free to add any issues or tasks as well!
For the list of To-Do's check the TODO list, feel free to add any issues or tasks as well!
ESP kicad lib: https://github.com/jdunmire/kicad-ESP8266. -> this library has most models but the centers of the pads are located in an odd place. the symbol is also not colored.
The two buttons are reset and io0, required for programming. IO0 can also be used as a user input pin.
Main components on the Programmer
Programmer bill of materials (BOM)
21 components, 16 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AMS1117-3.3 | SOT-223-3_TabPin2 | U1 |
| 1 | CH340G | SOIC-16_3.9x9.9mm_P1.27mm | U2 |
| 2 | MMBT3904 | SOT-23 | Q1, Q2 |
| 1 | 12MHz | Crystal_HC49-U_Vertical | Y1 |
| 1 | USB_C_Receptacle_USB2.0 | USB_C_Receptacle_HRO_TYPE-C-31-M-12 | J1 |
| 1 | Pogo pins | pogo_conn_01x07_oval | J2 |
| 1 | power select | PinSocket_1x04_P2.54mm_Vertical | J3 |
| 1 | PWR | LED_1206_3216Metric | D1 |
| 2 | 10uF | C_0805_2012Metric | C1, C3 |
| 1 | 10uF | CP_EIA-3216-10_Kemet-I | C2 |
| 1 | 100nF | C_0805_2012Metric | C4 |
| 2 | 22pF | C_0805_2012Metric | C5, C6 |
| 1 | 300 | R_0805_2012Metric | R1 |
| 1 | 470 | R_0805_2012Metric | R2 |
| 2 | 10k | R_0805_2012Metric | R3, R4 |
| 2 | 5k1 | R_0805_2012Metric | R5, R6 |
Programmer design files
The KiCad project lives in the klushok-etv/christmas2021 repository on GitHub; these links point at the commit this page was built from.
Programmer: common questions
How big is the Programmer PCB?
The Programmer measures 50 × 50 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Programmer?
21 components, from 16 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Programmer design files?
From the klushok-etv/christmas2021 repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Programmer design in my own project?
The repository has no license, so all rights stay with klushok-etv. Use it as a reference, and ask the author before reusing the design.
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