Posts Tagged ‘Hardware’

TASCAM Sound Recorder (Part 2)

Part 1, 2, 3 And here it comes! Packed in a cardbox box which contains: 1 Tascam DR-40 recorder wrapped in plastic bag 1 mini USB cable 1 user Manual printed in various languages 3 alkaline batteries 1 small rubber stand in a small plastic bag! Watch out, this small rubber stand is a very […]

TASCAM Sound Recorder (Part 1)

Part 1, 2, 3 The followers of arduinoos know that I have a constant and strong interest in sound recording and analysis. As I get more and more requests for specific sound analysis, I decided to get a semi-professional sound recorder to capture sound events in various environments. Thus the wish list that I used […]

Retour vers le futur

Allez, zou, pour une fois voici une publication en français ! Cà fait un moment que çà me grattouillait le clavier de composer dans ma langue maternelle, et je vois au moins deux bonnes raisons de faire une entorse à ma politique de publication. Soyons réalistes, l’anglais est une langue universellement comprise par les technophiles, […]

FN-M16P MP3 player (Part 1)

Part 1, 2 How come I managed to miss this fancy little module ? It’s my good ol’ friend Sébastien from Quai-Lab who showed me this little piece of electronic which he included in his inMoov robot. Bright idea ! For a few €, his robot will speak and improve its interactions to the public. […]

Shortage of Multilayer Ceramic Chip Capacitors (MLCC)

How come this tiny ultra familiar component is running out of stock ? The information raised by constructors and vendors states that the unexpected growth of demand lead to a recurent shortage of products as explained here, there and here again. These papers also give advises for those who did not contract the supply of […]

PCBs (Part 4)

Part 1, 2, 3, 4 PCBWay order review Delivery: The parcel arrived in my mail box 5 days after the order date, as announced !!! This is great news as we are all eager to get the real thing asap. Packing (Mail): The parcel was delivered by DHL: we know this company, I personally used […]

PCBs (Part 3)

Part 1, 2, 3, 4 Once we have our gerber files ready, it is time for “printing” the PCB. For a long time (and a long time ago) I used single sided coated copper Bakelite boards. Then I would copy the circuit  on copper using a special permanent ink pen (in negative) and immerse the […]

PCBs (Part 2)

Part 1, 2, 3, 4 Let’s exercise the tip and tricks that I shared with you in my latest post. Here are the requirements for this subject: Project: As a one idea per minute person, it was hard for me to stick to one project and one design. However, I had in mind the project […]

PCBs (Part 1)

Part 1, 2, 3, 4 PCB design pitfalls… A quick glance on the net brought me to various interesting web sites: “4 Circuit Board Design Mistakes to Avoid” “PCB Design – The Top 5 Mistakes” “6 PCB Design Mistakes to avoid designing printed circuit boards” “7 Fatal Mistakes to Avoid on Your PCB Design” “Top […]

Current generators (Part 1)

Part 1 Here starts a new series of post dedicated to current generators. As usual, the idea is to describe working experimental prototypes that feature few components and quite good performances. Current generators can be found in various applications such as battery chargers (advanced ones, aka multiple stages or intelligent battery chargers), LED drivers and […]