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Bramble valve indexer

erikbeerepoot·bramble·schematics/bramble-valve-indexer/bramble_valve_indexer.kicad_pcb

Bramble valve indexer PCB layout, top view — open source board by erikbeerepoot

About the Bramble valve indexer PCB

Bramble valve indexer is an open source PCB design by erikbeerepoot, published on GitHub. It is a 2-layer board measuring 37.3 × 42.3 mm, with 31 components from 15 distinct parts.

By type, the board carries 16 resistors, 6 transistors, 4 modules, 4 relays and 1 connector.

It belongs with the rf & radio and sensors designs in this gallery.

From the project

Bramble: Precision Agriculture Mesh

LoRa sensor and actuator network for farm monitoring, built on RP2040.

Hub-and-spoke architecture: a central hub manages the network while nodes collect sensor data (temperature, humidity) and control actuators (irrigation valves). LoRa provides long-range wireless with reliable delivery guarantees.

- Adafruit Feather RP2040 LoRa (SX1276, 915 MHz) - MT25QL01GBBB 128MB external flash for sensor data storage - STM32L010 PMU for power management and sleep

Bramble valve indexer bill of materials (BOM)

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

QtyPartRefs
4
1729128
M1, M2, M3, M4
4
DMN3300U
Q2, Q4, Q6, Q8
2
FDN360P
Q7, Q9
1
CONN_01X05_PIN
Conn_02x05_Odd_Even
J1
4
VOR1142B4
K1, K2, K3, K4
1
10K
170
R12
2
170
R13, R21
1
100
R14
1
100
10k
R15
2
100
R16, R17
1
10k
R18
3
10k
R19, R22, R26
1
5.1K
170
R20
1
10K
10k
R23
3
100
R24, R25, R27

Bramble valve indexer design files

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

Bramble valve indexer: common questions

How big is the Bramble valve indexer PCB?

The Bramble valve indexer measures 37.3 × 42.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Bramble valve indexer?

31 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 Bramble valve indexer design files?

From the erikbeerepoot/bramble 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 Bramble valve indexer design in my own project?

The repository has no license, so all rights stay with erikbeerepoot. Use it as a reference, and ask the author before reusing the design.

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