LogLED 111
A 11-bit LED driver for bright light
Cheapest shipping from 10 €
SKU: DEVJ-LOGLED-111
Stock Status:
10 pcs
Delivery Status: 30-60 days
Pre-order item
Description
The 111 circuit has a single 11-bit resistive driver that offers 2048 (ideally) linearly-spaced, flicker-free light levels. Its flicker free range can be extended for example with a neural density filters (not included) to cover the some of dimmer intensities that 311 and 116 have.
In all other aspects, 111 is physically identical, one-to-one compatible and drop-in replaceable with all our other LogLED drivers. Overall, 111 is a good starting point driver if in doubt.
Key Features
- Miniature, easy-to-swap LED elements with active cooling and economical pricing - available in different colors
- Very bright | Fast switching (some tens of microseconds)
- Easy control from a PC/SBC/MC over PapaLink (I2C) | Support up to 127 devices
- Multipurpose BNC connectors to interface with other common lab gear
- Safe 12 V DC operation
- Open-source | User modifiable firmware for custom programs
Suggested Applications
- Light patterns
- Illumination for cameras and microscopes
- Photobiology, photochemistry and photophysics
- Optogenetic stimulation
Safety information
General electrical safety principles apply. Pay attention especially on the following factors
- Never directly view the R30 LED near the max-power. Especially the IR and UV may appear dim to the eye but can cause serious harm or blindness.
- Prolonged +10 s use near the max-power may overheat the R30 emitter leading to its failure or making it too hot to touch. Do not leave the device unattended when near the max-power.
- Caution on extreme ambient conditions: At high temperatures above 35°C the device's cooling capacity is lowered and prolonged max-power use may overheat internal components. High humidity over 90% may causes condensation causing several issues such as corrosion and short-circuiting.
Technical Data
| Driver type | Resistive with 1x 11-bit circuit |
| Micro-controller | Arduino Nano Every (20 MHz) |
| Firmware | PapaLink AVR Device LogLED |
| LED connector | R30 (devjoni) |
| Power and I2C connector | PapaLink (devjoni) |
| A/B connector | BNC (50 Ohm) with 5 V TTL |
| Input voltage | 12 V (from 7 V to 14 V) |
| Max-current | 2 A |
| Color | Black |
| Material | 3D-printed PETG |
| Dimensions | 157 mm x 110 mm x 66 mm (with the M5 leg) |
| Weight | X g |
| Dimmest flickerless ON values from max brightness | |
|---|---|
| Absolute | 0.05% (3.3 log10 units) |
| Smooth-3%-range | 1.6% (1.7 log10 units) |
| Recommended ambient conditions | |
| Temperature | -20°C to +40°C |
| Humidity | 20% to 80% |
