HardLabs

Webusb programmer rev6

laneboysrc·rc-light-controller·mk4-tlc5940-lpc812/tools/webusb-programmer/rev6-ch551-ch552-ch554/electronics/webusb-programmer-rev6.kicad_pcb

Webusb programmer rev6 PCB layout, top view — open source WCH CH32/CH55x board by laneboysrc

About the Webusb programmer rev6 PCB

Webusb programmer rev6 is an open source WCH CH32/CH55x PCB design by laneboysrc, published on GitHub under the MIT license. It is a 2-layer board measuring 38 × 20 mm, with 18 components from 15 distinct parts.

Its main chip is the TLC5940PWPR, from the WCH CH32/CH55x family. Other key parts include the LPC824M201JDH20. By type, the board carries 6 diodes, 6 resistors, 2 ICs, 2 connectors and 2 capacitors.

It belongs with the usb & debug tools and rf & radio designs in this gallery.

From the project

Extensible RC car light controller with Web-based configuration tool

This is a programmer for the NXP LPC812/823/824 micro-controller, using the ISP (serial) protocol.

It connects to a PC or Android phone via USB and uses WebUSB (available in Chrome, Opera and Edge browsers) to communicate with a web app.

The great thing about this programmer is that no driver or software needs to be installed. Just connect the WebUSB programmer to the PC, load the Light Controller Configurator in the web browser, and program your light controller.

Main components on the Webusb programmer rev6

LPC824M201JDH20TLC5940PWPR

Webusb programmer rev6 bill of materials (BOM)

18 components, 15 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
LPC824M201JDH20
TC118S
U1
1
TLC5940PWPR
CH552G
U2
1
Light Controller
J1
1
USB_C_Receptacle_USB2.0
J2
1
LC POWER
D1
1
OK
D2
1
BUSY
D3
1
ERROR
D4
1
MCU POWER
D5
1
B5819WS
D6
1
1U/16V
10u
C1
1
47U/6V3
1u
C2
3
1k8
R1, R2, R3
2
5k1
R4, R5
1
1k
RN1

Webusb programmer rev6 design files

The KiCad project lives in the laneboysrc/rc-light-controller repository on GitHub; these links point at the commit this page was built from.

Webusb programmer rev6: common questions

What microcontroller does the Webusb programmer rev6 use?

The Webusb programmer rev6 is built around the TLC5940PWPR, from the WCH CH32/CH55x family.

How big is the Webusb programmer rev6 PCB?

The Webusb programmer rev6 measures 38 × 20 mm, has 2 copper layers and is 1 mm thick.

How many components are on the Webusb programmer rev6?

18 components, from 15 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 Webusb programmer rev6 design files?

From the laneboysrc/rc-light-controller repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Webusb programmer rev6 design in my own project?

Yes, under the terms of its MIT license, which laneboysrc chose for the repository.

Can I test firmware for the Webusb programmer rev6 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug WCH CH32/CH55x firmware against it before you order a PCB.

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