Portable Mod for my Ammeter (10/50/100A) Housing (18650 accu/TP4056 charging)

thingiverse

Modifying my 10A ammeter housing (https://www.thingiverse.com/thing:3118258) to make it portable is a straightforward process. I've added space for an "18650 battery" and "TP4056 charger", as well as an on/off switch and room for a shunt. This modification allows you to measure voltages from 0V using the ammeter's own power supply. Additionally, there's room for a shunt that enables measurements up to 100 amps! A wiring plan for the 10A portable version will be posted soon (for now, try searching online). Note that the switch position has been changed since my initial design. There are two versions of this modified housing: Variant A: Secures the shunt in a compartment and can be locked from above with screws. Variant B: Features through holes for using the screws supplied with the shunt (extra insulation is necessary). Loading is done via micro USB! Here's your shopping list: * https://www.ebay.com/itm/DC-0-100A-4-30V-Voltage-Current-Meter-Voltmeter-Ammeter-Voltage-Amps-Power-Meter/142935282422 * https://www.ebay.de/itm/10Pcs-2-Pin-12V-Auto-Boot-runde-punkt-Licht-ON-OFF-Rocker-Toggle-Switch-Tool-S/332528704374 * https://www.ebay.com/itm/10PCS-TP4056-Mini-USB-1A-Lithium-Battery-Charger-Module-Charging-Board-4-5V-5-5V/201735786010 * One 18650 battery (easily found on Ebay) * My small ammeter housing: https://www.thingiverse.com/thing:3118258 Have fun, like, and share your projects! SG