Here’s one of the old modems from my spares bin, a Vodafone Mobile WiFi R207. This is just a rebranded Huawei E5330. This unit includes a 3G modem, and a WiFi chipset, running firmware that makes this a mini-router, with NAT. The back has the batter compartment & the SIM
Yesterday, the Raspberry Pi community got a nice surprise – a new Pi! This one has some improved features over the previous RPi 3 Model B: Improved CPU – 64-Bit 1.4GHz Quad-Core BCM2837B0 Improved WiFi – Dual Band 802.11b/g/n/ac. This is now under a shield on the top of the
Continue readingRaspberry Pi 3 Model B+ Initial Tests & Benchmarks
Since the boat was still running it’s internal network on 10/100M speeds, an upgrade was decided on, the internal WiFi signal strength was also pretty poor further than a few feet from the NOC. The new router is a Cisco/Linksys AC1750 model, with gigabit networking, and full 802.11ac 2.4/5GHz Wireless.
Random teardown time! The OPN-2001 is a very small handheld barcode data collection device, used for stock keeping, inventory, etc. It’s powered by an internal Li-Poly cell, at 150mAh, and has storage for 1000 barcodes in it’s internal memory. The unit is charged via it’s USB port, the data can
This is basically an industrial, rugged MP3 player, in an extruded aluminium case. They are used in commercial settings for generating telephone hold music or continual playback of background music in shops. It’s quite a compact unit, in a nice aluminium case, designed for mounting into a comms setup. This
Here is a home laser hair removal unit, a Rio LAHS4. Shown above is the system overview, with the laser wand & the user controls. Main base unit popped open reveals the main PCB, with the central processor, a PIC16F628A. Other side of the PCB is mainly populated with power
Here is a more modern phone, the Motorola V360v. Features include Dual screens, 640×480 VGA camera, full col our TFT Main LCD, SD-Micro slot. Here on the back the grey scale LCD can be seen, with the camera lens to the right of the Motorola logo Here the phone is
Here is a phone from the mid 90s, the Ericsson GA628. Here visible is the front of the unit with keypad, & single line monochrome LCD for number display. Here the battery is removed from the phone, showing the SIM card socket. At the top under the antenna stub is