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The-SuperCap-Bike-Project

Fischer-Andrew·The-SuperCap-Bike-Project·Hardware/SuperCapacitorBike.kicad_pcb

The-SuperCap-Bike-Project PCB layout, top view — open source AVR/Arduino board by Fischer-Andrew

About the The-SuperCap-Bike-Project PCB

The-SuperCap-Bike-Project is an open source AVR/Arduino PCB design by Fischer-Andrew, published on GitHub under the CC0-1.0 license. It is a 2-layer board measuring 110.5 × 119.5 mm, with 119 components from 41 distinct parts.

Its main chip is the ATmega328-P, from the AVR/Arduino family. Other key parts include the IR2104, UCC37324P, MCP23017_SP, L7805 and ULN2003. By type, the board carries 36 test points, 19 resistors, 17 capacitors, 14 connectors, 10 ICs and 10 diodes.

From the project

I wanted an electric bike with a more dynamic feel than the typical e-bike; one in which you wouldn’t be able to get away with constantly cruising at 30km/h with minimal effort. I wanted an e-bike that had a sense of “sportyness”, quick, instantaneous acceleration. I also wanted

I wanted an electric bike with a more dynamic feel than the typical e-bike; one in which you wouldn’t be able to get away with constantly cruising at 30km/h with minimal effort. I wanted an e-bike that had a sense of “sportyness”, quick, instantaneous acceleration. I also wanted the sence of scarcity. The goal was to have an e-bike that could get me up a hill, yet had limited capacity, such that it still enticed me to get some proper exercise. A super-capacitor based accumulator is perfect for this, as they have reduced charge density, and generally are able to source and sink signifigantly…

The-SuperCap-Bike-Project, from the project README
From the project README

Main components on the The-SuperCap-Bike-Project

IR2104UCC37324PMCP23017_SPATmega328-PL7805ULN2003MCP4151-xxxx-PL78L33_TO92

The-SuperCap-Bike-Project bill of materials (BOM)

119 components, 41 distinct parts.

QtyPartRefs
3
IR2104
U1, U2, U3
1
UCC37324P
U4
1
MCP23017_SP
U5
1
ATmega328-P
U6
1
L7805
U7
1
ULN2003
U8
1
MCP4151-xxxx-P
U9
1
L78L33_TO92
U10
7
IRFZ44N
Q1, Q2, Q3, Q4, Q5, Q6, Q8
1
GT065P06T
Q7
1
1988804
J1
1
GND
J2
1
RX
J3
1
TX
J4
1
RESET
J5
2
1988817
J6, J14
2
1190363
J7, J8
3
1988862
J9, J10, J13
1
Barrel_Jack_Switch
J11
1
+5V
J12
Show 21 more
QtyPartRefs
1
0225002.MXP
F2
2
AWHSH105D00G
K1, K2
1
TS02-66-50-BK-160-LCR-D
S1
36
TestPoint
TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8 +28
1
MXO45HST-3C-16M000000
XTAL2
3
1N4148
D1, D2, D3
5
1N5819
D4, D5, D6, D8, D9
1
FAULT_LED
D7
1
PWR_LED
D10
3
1uF
C1, C4, C6
4
10uF
C2, C3, C5, C7
2
0.33uF
C8, C15
7
0.1uF
C9, C10, C11, C13, C14, C16, C17
1
1.0uF
C12
3
220Ω
R1, R13, R22
1
0Ω
R2
6
10kΩ
R3, R4, R5, R6, R20, R21
6
10Ω
R7, R8, R9, R10, R11, R12
1
20kΩ
R16
1
55kΩ
R17
1
25kΩ
R18

The-SuperCap-Bike-Project design files

The KiCad project lives in the Fischer-Andrew/The-SuperCap-Bike-Project repository on GitHub; these links point at the commit this page was built from.

The-SuperCap-Bike-Project: common questions

What microcontroller does the The-SuperCap-Bike-Project use?

The The-SuperCap-Bike-Project is built around the ATmega328-P, from the AVR/Arduino family.

How big is the The-SuperCap-Bike-Project PCB?

The The-SuperCap-Bike-Project measures 110.5 × 119.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the The-SuperCap-Bike-Project?

119 components, from 41 distinct parts. The full bill of materials is listed on this page.

Where can I download the The-SuperCap-Bike-Project design files?

From the Fischer-Andrew/The-SuperCap-Bike-Project repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the The-SuperCap-Bike-Project design in my own project?

Yes, under the terms of its CC0-1.0 license, which Fischer-Andrew chose for the repository.

Can I test firmware for the The-SuperCap-Bike-Project without the hardware?

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

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