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Cascade trigger

r0oland·laserhannes_kicad_electronics·cascade_trigger/cascade_trigger.kicad_pcb

Cascade trigger PCB layout, top view — open source NXP board by r0oland

About the Cascade trigger PCB

Cascade trigger is an open source NXP PCB design by r0oland, published on GitHub under the Apache-2.0 license. It is a 2-layer board measuring 144.8 × 77.5 mm, with 69 components from 20 distinct parts.

Its main chip is the MINI_ESP32, from the NXP family. By type, the board carries 20 resistors, 17 capacitors, 2 connectors, 1 IC and 1 diode.

Main components on the Cascade trigger

MINI_ESP32

Cascade trigger bill of materials (BOM)

69 components, 20 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MINI_ESP32
Teensy3.6
U2
1
Power_In
J1
1
Conn_02x07_Odd_Even
J2
8
EL7104
Driver_1, Driver_2, Driver_3, Driver_4, Driver_5, Driver_6, Driver_7, Driver_8
8
Trig1_Term
TrigTerm_1, TrigTerm_2, TrigTerm_3, TrigTerm_4, TrigTerm_5, TrigTerm_6, TrigTerm_7, TrigTerm_8
12
Trig_SMA
Trig_IN_1, Trig_IN_2, Trig_IN_3, Trig_IN_4, Trig_SMA_1, Trig_SMA_2, Trig_SMA_3, Trig_SMA_4 +4
1
PWR_LED
D1
1
22U
100uF
C1
2
22U
4.7uF
C2, C6
3
22U
2nF
C3, C7, C8
1
0.33U
4.7uF
C4
1
0.1U
4.7uF
C5
5
2nF
C9, C14, C15, C16, C17
4
4.7uF
C10, C11, C12, C13
1
150
56
R1
1
560
10k
R2
7
10K
10k
R3, R5, R6, R7, R8, R12, R13
4
5.1K
10k
R4, R9, R10, R11
1
10K
56
R14
6
56
R15, R16, R17, R18, R19, R20

Cascade trigger design files

The KiCad project lives in the r0oland/laserhannes_kicad_electronics repository on GitHub; these links point at the commit this page was built from.

Cascade trigger: common questions

What microcontroller does the Cascade trigger use?

The Cascade trigger is built around the MINI_ESP32, from the NXP family.

How big is the Cascade trigger PCB?

The Cascade trigger measures 144.8 × 77.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Cascade trigger?

69 components, from 20 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 Cascade trigger design files?

From the r0oland/laserhannes_kicad_electronics repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Cascade trigger design in my own project?

Yes, under the terms of its Apache-2.0 license, which r0oland chose for the repository.

Can I test firmware for the Cascade trigger without the hardware?

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

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