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STD WiFi Scoreboard Controller
License: MIT
Mode: Editors' pick
- 1
Update time：
2020-12-30 07:03:36
Creation time：
2018-10-23 01:16:08
Description
* Cricket scoreboard controller - 16 digit, seven segment LED display driver based on Wemos D1 mini and TM1640 LED driver chip.
* The D1 mini is setup as a WIFI access point and webserver. Scoreboard is updated from web interface on mobile device.
* LED segments are driven at 12V up to 40mA to suit display built from popular LED strip.
* Arduino sketch, website data folder and TM1640 library for scoreboard application is attached.
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | TM1640 | U1 | SOP-28W2 | 1 |
| 2 | Wemos D1 Mini | MC1 | WEMOS D1 MINI V2 | 1 |
| 3 | BSS138 | Q1,Q2 | SOT-23(SOT-23-3) | 2 |
| 4 | 10k | R4,R1,R3,R2 | AXIAL-0.4 | 4 |
| 5 | Wemos D1 Mini Power Shield | MC2 | WEMOS D1 MINI DC POWER SHIELD | 1 |
| 6 | 10uF | C2,C4 | CAP-D8.0XF3.5 | 2 |
| 7 | 100nF | C3 | CERAMIC-2.54 | 1 |
| 8 | 74HC540 | IC4,IC2 | DIP20 | 2 |
| 9 | MIC2981 | IC1 | DIP18 | 1 |
| 10 | ULN2803A | IC3,IC5 | DIP18 | 2 |
| 11 | Headers Pins 1*4P | P1 | HDR-4X1/2.54 | 1 |
| 12 | WJ15EDGVC-3.5MM-2Pneedle | CN1 | CONN-TH_WJ15EDGVC-3.5-2P | 1 |
| 13 | 100nF | C5,C1,C6,C7 | RAD-0.1 | 4 |
| 14 | 4.7k | R6,R5 | AXIAL-0.4 | 2 |
| 15 | 10k | R7,R8,R9,R10,R11,R12,R13,R14,R15,R16,R17,R18,R19,R20,R21,R22,R23,R24,R25,R26,R27,R28,R29,R30 | R0603 | 24 |
| 16 | Header-Male-2.54_1x8 | H1,H2,H3 | 210S-1X8P | 3 |
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