4 layers80 × 100 mm
TempCtrl
charlesbaynham/DigitalTemperatureController
Schematic, PCB and source code for a high-precision digital temperature controller
186 parts14
2 layers119.9 × 24.9 mm
Rl78-flash programmer
prabhu-yu/rl78-flash-programmer4This is a RL78 micro controller Flash Programmer PCB board designed using KiCAD. Very simple and economical to build under 6 US Dollers.
- Size
- 119.9 × 24.9 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 22
- Nets
- 28
- Pads
- 106
- Tracks, vias
- 239, 8
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 10 Sep 2021
- Updated
- 4 Dec 2021
Overview
Rl78-flash programmer is an open-source printed circuit board by prabhu-yu, from the prabhu-yu/rl78-flash-programmer repository on GitHub. It is a 2-layer board of 119.9 × 24.9 mm with 22 parts on 28 nets, routed with 239 tracks and 8 vias.
It is built around the 74LS125DC and FT232RL. Its parts include 10 capacitors, 5 connectors, 4 resistors and 3 ICs. It belongs with the interfaces and adapters boards of this library.
Main components
274LS125DC
-0℃~+70℃ 1 10ns@5.5V,50pF 15mA 18mA 24mA 4 4.5V~5.5V 74LS Power-off isolation、Output enable Tri-State Unidirectional - Buffers, Drivers, Receivers, TransceiversTexas InstrumentsBuffers, Drivers, Receivers, Transceivers
FT232RL
SSOP-28-208mil-40℃~+85℃ 3.3V~5.25V、4V~5.25V USB 2.0 USB to UART SSOP-28-208mil USB Converters ROHSFTDIUSB Converters
README
README.mdRL78-flash-programmer
Visit the RL78 Flash Prog. Webpage for details.
Parts
22| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 0.1uF | Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder | C1, C2, C6, C7, C8 |
| 4 | 1uF | Capacitor_SMD:C_1206_3216Metric_Pad1.42x1.75mm_HandSolder | C3, C4, C5, C9 |
| 2 | 0R | Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder | R1, R4 |
| 2 | Screw_Terminal_01x02 | TerminalBlock_Phoenix:TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J3, J4 |
| 1 | 10K | Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder | R3 |
| 1 | 47uF | Capacitor_THT:CP_Radial_D8.0mm_P2.50mm | C10 |
| 1 | 4K7 | Resistor_SMD:R_1206_3216Metric_Pad1.42x1.75mm_HandSolder | R2 |
| 1 | 74LS06 | Package_DIP:DIP-14_W7.62mm | U1 |
| 1 | 74LS125 | Package_DIP:DIP-14_W7.62mm | U2 |
| 1 | Conn_01x02 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J1 |
| 1 | Conn_02x05_Odd_Even | Connector_PinHeader_2.54mm:PinHeader_2x05_P2.54mm_Vertical | J8 |
| 1 | FT232RL | prabhu:SSOP-28_5.3x10.2mm_P0.65mm | U3 |
| 1 | USB_B | Connector_USB:USB_B_OST_USB-B1HSxx_Horizontal | J2 |
Questions
How big is the Rl78-flash programmer PCB?
It measures 119.9 × 24.9 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Rl78-flash programmer use?
22 parts, built around the 74LS125DC and FT232RL. 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.
Where can I download the Rl78-flash programmer KiCad files?
From the prabhu-yu/rl78-flash-programmer repository on GitHub, at the commit this page was made from: the board is RL78-flash-programmer.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Rl78-flash programmer design in my own project?
Its repository states no licence, so its author keeps all rights: ask prabhu-yu before reusing the design.
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