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/*
* Copyright (c) 2021 The ZMK Contributors
*
* SPDX-License-Identifier: MIT
*/
/**
* This file holds all current measurements related to ZMK features and hardware
* All current measurements are in micro amps. Measurements were taken on a Nordic Power Profiler Kit
* The test device to get these values was three nice!nanos (nRF52840).
*/
export const zmkBase = {
hostConnection: 23, // How much current it takes to have an idle host connection
standalone: {
idle: 0, // No extra idle current
typing: 315, // Current while holding down a key. Represents polling+BLE notification power
},
central: {
idle: 490, // Idle current for connection to right half
typing: 380, // Current while holding down a key. Represents polling+BLE notification power
},
peripheral: {
idle: 20, // Idle current for connection to left half
typing: 365, // Current while holding down a key. Represents polling+BLE notification power
},
};
/**
* ZMK board power measurements
*
* Power supply can be an LDO or switching
* Quiescent and other quiescent are measured in micro amps
*
* Switching efficiency represents the efficiency of converting from
* 3.8V (average li-ion voltage) to the output voltage of the power supply
*/
export const zmkBoards = {
"nice!nano": {
name: "nice!nano v1",
powerSupply: {
type: "LDO",
outputVoltage: 3.3,
quiescentMicroA: 55,
},
otherQuiescentMicroA: 4,
},
"nice!nano v2": {
name: "nice!nano v2",
powerSupply: {
type: "LDO",
outputVoltage: 3.3,
quiescentMicroA: 15,
},
otherQuiescentMicroA: 3,
},
"nice!60": {
powerSupply: {
type: "SWITCHING",
outputVoltage: 3.3,
efficiency: 0.95,
quiescentMicroA: 4,
},
otherQuiescentMicroA: 4,
},
};
export const underglowPower = {
firmware: 60, // ZMK power usage while underglow feature is turned on (SPIM mostly)
ledOn: 20000, // Estimated power consumption of a WS2812B at 100% (can be anywhere from 10mA to 30mA)
ledOff: 460, // Quiescent current of a WS2812B
};
export const backlightLEDs = {
White: 3.2,
Blue: 3.0,
Green: 2.2,
Yellow: 2.1,
Red: 1.8,
};
export const backlightPower = {
pwmPower: 510, // Estimated power consumption of PWM module
};
export const displayPower = {
// Based on GoodDisplay's 1.02in epaper
EPAPER: {
activePercent: 0.05, // Estimated one refresh per minute taking three seconds
active: 1500, // Power draw during refresh
sleep: 5, // Idle power draw of an epaper
},
// 128x32 SSD1306
OLED: {
activePercent: 0.5, // Estimated sleeping half the time (based on idle)
active: 10000, // Estimated power draw when about half the pixels are on
sleep: 7, // Deep sleep power draw (display off)
},
// Based on the nice!view using Sharp's LS011B7DH01
NICEVIEW: {
activePercent: 0.01, // Estimated two refreshes per second taking five milliseconds each
active: 1425, // Power draw during refresh (225uA display + 1200uA SPIM)
sleep: 1, // Idle power draw of the display
},
};
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