2 layers72.1 × 46.8 mm
Grove adaptor panel
BeeHive-org/BeeHive
BeeHive: a flexible open hardware platform for behavioural experiments
57 parts13MIT
2 layers63 × 110.5 mm
Spike n hold
BeeHive-org/BeeHive13BeeHive: a flexible open hardware platform for behavioural experiments
- Size
- 63 × 110.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 60
- Nets
- 38
- Pads
- 143
- Tracks, vias
- 244, 2
- Pours
- 5
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 14 Nov 2019
- Updated
- 22 Sep 2026
Overview
Spike n hold is an open-source printed circuit board by BeeHive-org, from the BeeHive-org/BeeHive repository on GitHub, published under the MIT licence. It is a 2-layer board of 63 × 110.5 mm with 60 parts on 38 nets, routed with 244 tracks and 2 vias.
It is built around the MPSA42 and IRFZ24NPBF. Its parts include 18 resistors, 9 capacitors, 9 diodes, 9 transistors and 6 connectors.
Main components
2README
hardware/PCBs/8_switch_array/readme.mdBeeHive system: 8 port switch array
Hardware overview
In order to allow to use arbitrary type and number of simple tools such as low power electronics (LEDs, fans, etc) in experiments, a set of 8 switch arrays was developed. The 8 pin version utilizes a 74HC595 shift register, allowing to connect more components with less amount of pins. The power fed to the element being switched can vary from 5 to 12 volts.
Programming switches
An 8 switch array behaves exactly like a 74HC595 shift register but transistor switches allow bigger currents to flow through given loads
Safety
Do not connect or disconnect connectors while power is ON. All adjustments must be done ONLY when power is OFF.
3D models
Current design of 8 switch version:
Parts
60| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | 330 | Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P12.70mm_Horizontal | R5, R6, R7, R8, R11, R12, R15, R16, R17 |
| 6 | 1N4005 | Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal | D1, D2, D3, D4, D5, D6 |
| 4 | 10k | Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P12.70mm_Horizontal | R1, R2, R9, R10 |
| 4 | 10nF | Capacitor_THT:C_Disc_D5.1mm_W3.2mm_P5.00mm | C3, C4, C7, C8 |
| 4 | MPSA42 | Package_TO_SOT_THT:TO-92L_Inline_Wide | Q3, Q4, Q5, Q6 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1, H2, H3, H4 |
| 3 | Conn_01x02 | Connector_JST:JST_XH_B2B-XH-A_1x02_P2.50mm_Vertical | J5, J6, J7 |
| 3 | LM555xM | Package_DIP:DIP-8_W7.62mm_LongPads | U1, U2, U3 |
| 2 | 10µF | Capacitor_THT:C_Disc_D5.1mm_W3.2mm_P5.00mm | C5, C6 |
| 2 | 1N47xxA | Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal | D7, D8 |
| 2 | 2k | Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P12.70mm_Horizontal | R13, R14 |
| 2 | 4.7k | Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P12.70mm_Horizontal | R3, R4 |
| 2 | 680pF | Capacitor_THT:C_Disc_D5.1mm_W3.2mm_P5.00mm | C1, C2 |
| 2 | MJH11021G | Package_TO_SOT_THT:TO-247-3_Vertical | Q1, Q2 |
| 2 | MJH11022G | Package_TO_SOT_THT:TO-247-3_Vertical | Q7, Q8 |
| 1 | 1N5822 | Diode_THT:D_DO-201AD_P15.24mm_Horizontal | D17 |
| 1 | 1k | Resistor_THT:R_Axial_DIN0411_L9.9mm_D3.6mm_P12.70mm_Horizontal | R18 |
| 1 | 22µF | Capacitor_THT:CP_Radial_D5.0mm_P2.00mm | C15 |
| 1 | 33µH | Inductor_THT:L_Radial_D10.0mm_P5.00mm_Neosid_SD12_style3 | L1 |
| 1 | Conn_01x04_Female | Connector_JST:JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J1 |
| 1 | IRFZ24NPBF | Package_TO_SOT_THT:TO-220-3_Vertical | Q9 |
| 1 | LOGO | logo-beehive:logo-beehive-7_2х6_7mm | G*** |
| 1 | to_solenoid_1 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J4 |
| 1 | to_solenoid_2 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J3 |
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Questions
How big is the Spike n hold PCB?
It measures 63 × 110.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Spike n hold use?
60 parts, built around the MPSA42 and IRFZ24NPBF. 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 Spike n hold KiCad files?
From the BeeHive-org/BeeHive repository on GitHub, at the commit this page was made from: the board is hardware/PCBs/spike_n_hold/spike_n_hold.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Spike n hold design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).